<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>扩展运算符的应用</title>
</head>
<body>
    <div></div>
    <div></div>
    <div></div>
    <script>
        //1.数组的合并
        const kuaizi = ['王太利', '肖央'];
        const fenghuang = ['曾毅','玲花'];

        // const zuixuanxiaopingguo = kuaizi.concat(fenghuang);
        const zuixuanxiaopingguo = [...kuaizi, ...fenghuang];
        console.log(zuixuanxiaopingguo);

        //2.数组的克隆
        const sanzhihua = ['E','G','M'];
        const sanyecao = [...sanzhihua];
        console.log(sanyecao);

        //3.将伪数组转为真正的数组
        const divs = document.querySelectorAll('div');
        const divArr = [...divs];
        console.log(divArr);
    </script>
</body>
</html>